/* style/download.css */
.page-download {
  color: #ffffff; /* Light text for dark body background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-download__hero-section {
  background-color: #0A1931;
  padding: 80px 20px 60px; /* Adjusted padding, header offset handled by main */
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__hero-container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin-bottom: 40px;
}

.page-download__hero-title {
  font-size: 3.5em;
  color: #FFD700;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__hero-description {
  font-size: 1.2em;
  color: #f0f0f0;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__download-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-download__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__btn--primary {
  background-color: #FFD700;
  color: #0A1931;
}

.page-download__btn--primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
}

.page-download__btn--secondary {
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
}

.page-download__btn--secondary:hover {
  background-color: #FFD700;
  color: #0A1931;
  transform: translateY(-2px);
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  max-width: 1200px;
  display: block;
  margin-top: 40px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download__section-title {
  font-size: 2.8em;
  color: #FFD700;
  text-align: center;
  margin-bottom: 30px;
  padding-top: 60px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.page-download__section-intro {
  font-size: 1.1em;
  color: #cccccc;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.page-download__why-app-section,
.page-download__guide-section,
.page-download__tips-section,
.page-download__faq-section,
.page-download__cta-section {
  padding: 60px 0;
  background-color: #1a2b45; /* Slightly lighter than body for contrast */
}

.page-download__why-app-section {
  background-color: #0A1931;
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  padding-top: 30px;
}

.page-download__feature-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-download__feature-item:hover {
  transform: translateY(-10px);
}

.page-download__feature-icon {
  width: 200px; /* Min size */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__feature-title {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-download__feature-description {
  color: #e0e0e0;
  font-size: 1em;
}

.page-download__platform-guide {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 30px;
}

.page-download__platform-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  text-align: center;
}

.page-download__platform-title {
  font-size: 2em;
  color: #FFD700;
  margin-bottom: 30px;
}

.page-download__qr-code-area {
  margin-bottom: 30px;
}

.page-download__qr-code-image {
  width: 250px;
  height: 250px;
  background-color: #ffffff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  margin: 0 auto 15px;
}

.page-download__qr-instruction {
  color: #cccccc;
  font-size: 1.1em;
}

.page-download__installation-steps {
  list-style-type: decimal;
  text-align: left;
  margin: 0 auto 30px;
  padding-left: 20px;
  color: #e0e0e0;
  max-width: 400px;
}

.page-download__installation-steps li {
  margin-bottom: 10px;
  font-size: 1em;
}

.page-download__tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  padding-top: 30px;
}

.page-download__tip-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__tip-icon {
  width: 250px; /* Min size */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__tip-title {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-download__tip-description {
  color: #e0e0e0;
  font-size: 1em;
}

.page-download__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__faq-question {
  display: block;
  padding: 20px 25px;
  background-color: #0A1931;
  color: #FFD700;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
  background-color: #1c304d;
}

.page-download__faq-toggle {
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: translateY(-50%) rotate(45deg);
}

.page-download__faq-answer {
  padding: 20px 25px;
  background-color: rgba(255, 255, 255, 0.03);
  color: #e0e0e0;
  font-size: 1em;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.page-download__cta-section {
  text-align: center;
  background-color: #0A1931;
  padding: 80px 20px;
}

.page-download__cta-title {
  font-size: 3em;
  color: #FFD700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__cta-description {
  font-size: 1.2em;
  color: #f0f0f0;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__btn--large {
  padding: 18px 40px;
  font-size: 1.2em;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 3em;
  }
  .page-download__section-title {
    font-size: 2.2em;
  }
  .page-download__cta-title {
    font-size: 2.5em;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 60px 15px 40px;
  }
  .page-download__hero-title {
    font-size: 2.5em;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__download-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-download__btn {
    width: 100%;
    max-width: 300px;
  }
  .page-download__section-title {
    font-size: 1.8em;
    padding-top: 40px;
  }
  .page-download__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-download__why-app-section,
  .page-download__guide-section,
  .page-download__tips-section,
  .page-download__faq-section,
  .page-download__cta-section {
    padding: 40px 0;
  }
  .page-download__features-grid,
  .page-download__tips-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-download__feature-item,
  .page-download__tip-item {
    padding: 20px;
  }
  .page-download__feature-icon,
  .page-download__tip-icon {
    max-width: 100%;
    height: auto;
    width: 250px;
    height: 187px; /* Maintain aspect ratio */
    object-fit: cover;
  }
  .page-download__platform-guide {
    flex-direction: column;
    gap: 30px;
  }
  .page-download__platform-item {
    padding: 30px;
  }
  .page-download__platform-title {
    font-size: 1.8em;
  }
  .page-download__qr-code-image {
    width: 200px;
    height: 200px;
  }
  .page-download__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-download__faq-toggle {
    right: 20px;
  }
  .page-download__faq-answer {
    padding: 15px 20px;
  }
  .page-download__cta-title {
    font-size: 2em;
  }
  .page-download__cta-description {
    font-size: 1em;
  }
  .page-download__btn--large {
    padding: 15px 30px;
    font-size: 1.1em;
    width: 100%;
    max-width: 300px;
  }
  /* Content area images must not cause horizontal scroll */
  .page-download img {
    max-width: 100%;
    height: auto;
  }
  .page-download__hero-image {
    width: 100%;
    height: auto;
    max-width: 100%;
  }
  .page-download__feature-icon, .page-download__tip-icon {
    min-width: 200px; /* Enforce min-size even in mobile */
    width: 100%; /* Allow filling container */
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 2em;
  }
  .page-download__section-title {
    font-size: 1.5em;
  }
  .page-download__cta-title {
    font-size: 1.8em;
  }
  .page-download__btn {
    font-size: 1em;
    padding: 12px 25px;
  }
  .page-download__faq-question {
    font-size: 1em;
  }
}